import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet(urlPatterns = {"/hello"})
public class HelloServlet extends HttpServlet {
    //alt+insert
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req, resp);
    }
    protected void doPost(HttpServletRequest request, HttpServletResponse resp) throws ServletException, IOException {
        System.out.println("进入后台");
    }
}
